Home / 140,448.04-193,818.26-76,785.82

Finding the Fourth Proportional to 140,448.04, 193,818.26 and 76,785.82

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Solution

The fourth proportional to 140,448.04, 193,818.26 and 76,785.82 is: 105,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448.04 : 193,818.26 = 76,785.82 : x
  2. Step 2: Convert to fraction form
    140,448.04/193,818.26 = 76,785.82/x
  3. Step 3: Cross multiply
    140,448.04x = 193,818.26 × 76,785.82
  4. Step 4: Simplify right side
    140,448.04x = 14,882,494,025.07
  5. Step 5: Solve for x
    x = 14,882,494,025.07/140,448.04
  6. Step 6: Final answer
    x = 105,964.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.